Aircraft



FIG. 1 is a top, right front perspective view of an aircraft with the rotor nacelles facing forward;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a right side elevational view of FIG. 1;

FIG. 4 is a left side elevational view of FIG. 1;

FIG. 5 is a top plan view of FIG. 1;

FIG. 6 is a bottom plan view of FIG. 1;

FIG. 7 is a top, right front perspective view of the aircraft with the rotor nacelles facing upward;

FIG. 8 is a front elevational view of FIG. 7;

FIG. 9 is a right side elevational view of FIG. 7;

FIG. 10 is a left side elevational view of FIG. 7;

FIG. 11 is a top plan view of FIG. 7; and,

FIG. 12 is a bottom plan view of FIG. 7.

The broken lines in the drawings illustrate portions of the aircraft that form no part of the claimed design. 

CLAIM The ornamental design for an aircraft, as shown and described. 